finger-tight

例句：

1. 1.The hand was so finger-tight that I couldn't bend it.
   手太紧了，我弯不了。
2. 2.She held the door shut with her finger-tight grip.
   她用指关节紧紧握住门。
3. 3.The tension in his fingers was finger-tight.
   他的手指紧张得几乎不能动弹。